$27 ATs early vs river push

[RexWoo]

Hi,

PokerStars Tournament, Big Blind is t30 (9 handed) Converter on pregopoker.com

UTG (t1500)
UTG+1 (t1480)
MP1 (t1620)
MP2 (t1520)
MP3 (t1655)
CO (t1455)
Hero (t1455)
SB (t1515)
BB (t1300)

Preflop: Hero is in Button with T[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, <font color="gray">CO folds</font>, <font color="red">Hero raises to t90</font>, <font color="gray">SB folds</font>, BB calls t60

Flop: (t195) 8[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/spade.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (2 players)
BB checks, <font color="red">Hero bets t120</font>, BB calls t120

Turn: (t435) Q[img]/images/graemlins/diamond.gif[/img] (2 players)
BB checks, Hero checks

River: (t435) T[img]/images/graemlins/spade.gif[/img] (2 players)
<font color="red">BB bets t1090 (All-in)</font>, Hero ?

vilain is unknown. 10th hand.

Thought on all streets appreciated.