10nl floating with AK, fire turn?

[sivadom]

Villain is 52/26/2 over a small sample, should I be firing this turn?

Poker Stars, $0.05/$0.10 NL Hold'em Cash Game, 5 Players
LeggoPoker.com - Hand History Converter

Hero (BB): $9.60
UTG: $1.85
CO: $9.65
BTN: $25.35
SB: $23.20

Pre-Flop: A[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img] dealt to Hero (BB)
2 folds, BTN calls $0.10, SB calls $0.05, <font color="red">Hero raises to $0.50</font>, BTN folds, SB calls $0.40

Flop: ($1.10) T[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">SB bets $0.55</font>, Hero calls $0.55

Turn: ($2.20) 7[img]/images/graemlins/club.gif[/img] (2 Players)
SB checks, Hero bets?