Playing my aces

[MRBAA]

I open raise 'em in EP in a Party 2-4 game, tight, passive. New player I have no significant line on calls in the SB. He and I take the flop head up:

T63 rainbow

He checks. I bet. he calls. We see the turn:

T63 3

Now he bets out. He is the SB, so I suppose there are some hands with a 3 he could have (A3, K3, Q3s, 33, 34s, 23s, 35s). But chances are I'm ahead -- he could have a T or a pocket pair. When I'm ahead, he usually has 2 outs. When I'm behind, I have 2 outs. I'm figuring he'll often fold (correctly) if I raise. Or reraise when he DOES have a 3.

So I...

The river comes down:

10633 2
He bets out, and I'm thinking he'll fold his weaker hands (44, 55, 66, 77, 88, 99 and overcards), call with stronger ones -- JJ, QQ, KK, AT, KT or raise with a 3. So I...