KQs HU UI, bet the river?

[Buck_65]

Villain is a loose passive, but not tremendously fishy. This hand isn't terribly exciting, but this is a situation that comes up quite often. Just inspecting the ship for leaks.

Party Poker 0.5/1 Hold'em (8 handed) converter

Preflop: Hero is CO with K[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls, <font color="#666666">1 fold</font>, Hero raises, <font color="#666666">3 folds</font>, MP1 calls.

Flop: (5.50 SB) T[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero bets, MP1 calls.

Turn: (3.75 BB) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero bets, MP1 calls.

River: (5.75 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero...