[cmwck]

I think if you're calling the flop you should raise, call a 3-bet and fold the turn unless you pick up one of your draws.

Not sure about the river raise. Your raise won't get CO to fold a better hand, but he will fold a worse hand for two bets. I'd say just call. If you're ahead of UTG, CO may overcall and you win a extra bet. If you're behind to UTG, you'll loose less by just calling.