Depends on whether I'd be close enough to ride RSR in the first ten minutes. If yes, I'd ride. If no, I'd grab FP, then hit a Paradise Pier for TSMM and CS.
Depends on when you're getting there, whether you have EMH. If you have EMH, you can go ride RSR, then pull FP, ride Soarin and Toy Story (I don't get the enthusiasm about this ride at all, but people seem to love it!).
Because you have to wait longer for your return time on RSR than Soarin', we pull a FP for Soarin' first, then head to TSMM and ride it, CS (usually twice) and GSS before pulling RSR FPs on the way back over to Soarin'.
Often, RSR CMs are roaming near the ropes on the way to Cars Land in the mornings. If I'm bound for RSR, I always ask them if it's up and running that morning, and adjust my plans if it is not.