AK on 2345 board in blinds

[ender555]

I think I get stacked here by 66,6x and chop with Ax that getting all in on this turn is bad. How do you play this hand and why?

PokerStars No-Limit Hold'em, $2 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Button ($40)
Hero ($244.65)
BB ($381.65)
UTG ($262)
MP ($182.85)
CO ($394.85)

Preflop: Hero is SB with A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to $8</font>, BB calls $6.

Flop: ($16) 3[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $12</font>, BB calls $12.

Turn: ($40) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $32</font>, <font color="#CC3333">BB raises to $100</font>, <font color="#CC3333">Hero raises to $224.65</font>, BB calls $124.65.

River: ($489.30) J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $489.30