I suck at blind steals

[CrMenace]

Villain is 12/10/3, folds BB to steal 50%. Stats were the reason I went for a steal.

PokerStars 0.50/1.00 Hold'em (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is Button with A[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
<font color="#666666">7 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">BB 3-bets</font>, Hero calls.

Flop: (6.50 SB) 3[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets</font>, Hero...

Assume flop didn't help villain, but do you assume a 3b PF has you beat anyways?