"He got some work done today," Carroll said. "We'll see how he feels tomorrow, and how he feels after the work today. We'll go all the way to game time on that one."
Okung suffered a bone bruise on his left knee during Seattle's final drive against Arizona last week. Frank Omiyale finished the game at left tackle.
While the Seahawks would like to have their cornerstone left tackle, Omiyale is an eight-year veteran with starting experience who signed with Seattle as a free agent in the offseason. Omiyale started 14 games at left tackle for Chicago in 2010, and has 32 career starts.
While Okung is listed as questionable for Sunday's game, Carroll said he expects three other players who did not practice Friday to play.
Tight end Zach Miller (foot), defensive end Jason Jones (non-injury related) and offensive guard John Moffitt (shoulder) were listed as probable on Seattle's injury report.
Miller was a limited participant in practice on Wednesday, but did not practice Thursday or Friday.
"Zach will be fine," Carroll said. "He practiced a couple days ago, and got some stuff done yesterday. We just want to make sure that he's going to be right."
With Miller hurting, Carroll said tight end Evan Moore will see more time this weekend. Moore played just one snap against Arizona.
"Going into last week I had been here for about five days," said Moore, who signed with Seattle last week after being released by Cleveland during final roster cutdowns. "And even though I feel like there's a lot of translation between this offense and where I'd come from, there's still just a comfort level of understanding the little details. So this week was definitely productive to getting to that point."
After sitting out two days with a knee issue, receiver Sidney Rice returned to practice Friday as a limited participant, and should be ready to play Sunday, Carroll said. Rice is probable for Sunday
Running back Marshawn Lynch (back) also practiced fully on Friday and appeared fine running team drills. Lynch is probable for Sunday.
One player Carroll is expecting to help jump start his offense is receiver Golden Tate. The Notre Dame product was a full participant in practice all week after missing the season opener with a sprained knee, and will start at split end.
"He really had a good week," Carroll said of Tate. "He looked great. He came roaring back on Wednesday, and then on Thursday he did everything, Friday he did everything."
Seattle receiver Charly Martin (chest) is out for the Dallas game. Along with Tate, defensive end Greg Scruggs (hamstring) and cornerback Byron Maxwell (shoulder) were full participants on Friday and are probable for Sunday. ... For Dallas, center Phil Costa (back), safety Matt Johnson (hamstring) and nose tackle Jay Ratliff (ankle) are out. Receiver Miles Austin (hamstring), receiver Andre Holmes (knee), cornerback Mike Jenkins (shoulder), running back Felix Jones (ribs), safety Danny McCray (neck), linebacker Kyle Wilber (thumb), tight end Jason Witten (abdomen), safety Gerald Sensabaugh (concussion) and linebacker DeMarcus Ware (hamstring) are probable.
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