Trying to fix some leaks

villain: is in on the button and unknown
hero: is trying to play better, but is otherwise seen as a tight player

Paradise Poker 2/4 Hold'em (10 handed) internettexasholdem.com

Preflop: Hero is SB with 3[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/spade.gif[/img].
<font color="#666666">6 folds</font>, CO calls, Button calls, Hero completes, BB checks.

Flop: (4 SB) K[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero bets</font>, BB folds, CO folds, Button calls.

Turn: (3 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, Button calls.

River: (5 BB) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
?