Hmmmm. Is this where we refuse the free card so we can bet and try to make MP or LP fold? I don't think I'm folding all such hands in this large pot, so I take the free card and fold the river U/I.

Post-grunch: Changed my mind. Bet. You have ~14-15 outs, and two callers will make this +EV even if you are currently beaten. And you may indeed make MP/LP fold and be against only another drawing hand.