Absolutely keep (if healthy).
No question.
Nobody is penciling him in as a starter at his age with his injury history.
Take as many snaps as he's able to give you.
A winning player.
So take like 60 snaps from him before he's out for the year?
Hard pass...as already stated, he's been injured a lot lately and he's going to be 34. Why would you bring that guy back.