I think he could be decent. He is very Calico-like (prior to injury) with a combination of good size, great speed, and apparently picking up the offense well as a rook. If you have him and Calico with the room to spare you might hang onto both for another week or two to figure out if Ty is gonna bounce back or not.
Reports said that he ditched the knee brace last game but I think on two looks he hand one catch for 18 yds. I fear he's nowhere near close, acting as a big decoy to open up the middle for the TEs, and because he is now being pushed by Jones may wind up doing long-term damage by trying to play above what the gimpy knees are gonna allow.