Small pot - is it worth it?

[pokerjunky]

UTG is 16/10/2.5 I'm sure he would have raised anything with a king in it preflop.

CO is kind of laggish. I considered betting the flop but didn't want to get raised by a pocket pair or ace high.

Party Poker 3/6 Hold'em (8 handed) FTR converter on zerodivide.cx

Preflop: Hero is BB with J[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
UTG calls, 3 folds</font>, CO calls, 2 folds</font>, Hero checks.

Flop: (3.40 SB) K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/diamond.gif[/img] (3 players)</font>
Hero checks, UTG checks, CO bets</font>, Hero calls, UTG folds.

Turn: (2.70 BB) J[img]/images/graemlins/club.gif[/img] (2 players)</font>
Hero bets, CO calls.

River: (4.70 BB) 5[img]/images/graemlins/spade.gif[/img] (2 players)</font>
Hero bets</font>, CO calls.

Final Pot: 6.70 BB