I think RE17 is designed for short magnums so it "should" work, but Alliant's site only show RL19, 22 & 25.
Alliant Powder - Reloader's Guide
The Berger manual lists Re17 for the 284 Winchester with a 180g bullet. The starting load is 40g, almost the same as IMR4350, but 2.5g less than H4350...