Did you see his final month of play? Here you are:
That's 5 straight games of 100+ yards, and he is still a weapon in the passing game. PFF had him as a top 10 RB so it wasn't just the OL (his backup Dillon had a bad year). My main concern is injury as he's had a lot of nagging problems, but if he is healthy then he will likely be worth the money.
Chandler will get his touches unless another back pushes him out of the #2 job, but he wasn't going to be the primary RB. I think there will be some mixing of the backs and Jones isn't going to be used as a bellcow at age 30.
There isn't a RB who is going in the 1st round, and possibly not the second... they might reach in the 2nd round. At this point what is left is JK Dobbins off an Achilles injury, Zeke Elliott, D'Onta Foreman, AJ Dillon... not a whole lot.