Pot Control VS Value Bet

[Tawbor]

Villain is 37/13/1.5 over 40 hands.

Full Tilt Poker
$0.10/$0.25 No Limit Hold'em Ring Game
5 Players
LegoPoker Hand Converter

<font color="black">Stack Sizes</font>
CO: $32.40
BTN: $27.90
SB: $41.1
BB: $19.6
Hero (UTG): $28.90

<font color="black">Preflop:</font> A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/club.gif[/img] ($0.35, 5 players)
<font color="red">Hero raises to $1</font>, CO folds, BTN folds, SB calls $0.90, BB calls $0.75

<font color="black">Flop:</font> 6[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img] ($3, 3 players)
SB checks, BB checks, <font color="red">Hero bets $2.50</font>, SB calls $2.50, BB folds

<font color="black">Turn:</font> 6[img]/images/graemlins/club.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img] [2[img]/images/graemlins/heart.gif[/img]] ($8, 2 players)
<font color="red">SB bets $3</font>, Hero?

Is this a spot to keep the pot small, or do you risk leaving money on the table by calling on turn and river? The villains turn bet looks awful weak.