Here they are, along with first and second season touches:
- Barkley (91) - 352, N/A
- Bush (88) - 243, 230
- Kamara (81) - 201, 275
- McCaffrey (80) - 197, 326
- Forte (63) - 379, 315
- Hines (63) - 148, N/A
- Duke Johnson (61) - 165, 126
- Tomlinson (59) - 398, 451
- Best (58) - 229, 111
- Bernard (56) - 226, 211
The 8 RBs in this list who played second seasons to date averaged 255 touches in those second seasons. It seems exceedingly unlikely that Hines will get anywhere close to that. More importantly, that group's second season success is skewed by Tomlinson, McCaffrey, Forte, and Kamara. Hines is not at all similar to any of those players.
Finally, an arbitrary cutoff at 55 receptions seems like cherry picking. Make it 45, and it adds these players:
- Cohen (53)
- Kareem Hunt (53)
- Trent Richardson (51)
- Slaton (50)
- Helu (49)
- Doug Martin (49)
- Domanick Williams (47)
- MJD (46)
- Leveon Bell (45)
- Javorius Allen (45)
That list isn't quite as impressive as the first.
Bottom line, I don't think this data tells us anything about Hines' prospects.