No, I would hold on to your WW pick. The Redskins are not good, so even if Betts plays, it's not like he's going to be putting up a lot of numbers. And it's not like Portis is out for the year, so Betts may get more carries even when Portis comes back, I just can't see him being a good FF RB.
12 Team League. We start 2 QBs and get .5 PPR, otherwise standard scoring
QBs: Stafford, Fitzpatrick, Collins
RBs: Charles, Mendenhall, Best, Starks, Carter, Karim
WRs: D. Jackson, Marshall, S. Smith, Green,
TE: Hernandez, Cook