AA middel, 3k chip vs 3kchip

[saddu]

PokerStars Tournament, Big Blind is t50 (7 handed) Converter on pregopoker.com

UTG (t1695)
UTG+1 (t1900)
MP1 (t1000)
Hero (t2925)
Button (t1395)
SB (t3490)
BB (t1095)

Preflop: Hero is in CO with A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/spade.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="red">Hero raises to t150</font>, <font color="gray">Button folds</font>, SB calls t125, <font color="gray">BB folds</font>

Flop: (t350) 8[img]/images/graemlins/club.gif[/img] 3[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/spade.gif[/img] (2 players)
SB checks, <font color="red">Hero bets t200</font>, SB calls t200

Turn: (t750) 8[img]/images/graemlins/heart.gif[/img] (2 players)
SB checks, Hero checks

River: (t750) J[img]/images/graemlins/club.gif[/img] (2 players)
<font color="red">SB bets t1150</font>, Hero calls t1150

i know that the check on turn is probably bad, but i had the feeling that he probably had an 8 (and i was right), haw you play this hand guys? thx