Was I correct to lay this down in this situation? Button is LAG, I have no read on BB.

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (9 handed) converter

Hero (t815)
MP3 (t695)
CO (t475)
Button (t2045)
SB (t755)
BB (t815)
UTG (t725)
UTG+1 (t725)
MP1 (t950)

Preflop: Hero is MP2 with A[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls t15, <font color="#CC3333">Hero raises to t75</font>, <font color="#666666">2 folds</font>, Button calls t75, <font color="#666666">1 fold</font>, <font color="#CC3333">BB raises to t200</font>, MP1 folds, Hero calls t125,<font color="#CC3333">Button Raises t1970(all-in)</font>,BB calls t615(all-in), Hero folds.

Flop: (t3085) 8[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>

Turn: (t3085) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>

River: (t3085) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: t3085