$33 L4 AJ in sb, LAG btn raises.. Is this cool or outta control?

[McSturdy]

Party Poker No-Limit Hold'em Tourney, Big Blind is t200 (8 handed) Hand History converter Courtesy of PokerZion.com

MP2 (t870)
CO (t1620)
Button (t4620)
Hero (t4450)
BB (t4590)
UTG (t1400)
UTG+1 (t1900)
MP1 (t550)

Preflop: Hero is SB with A[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/spade.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">Button raises to t1000</font>, <font color="#CC3333">Hero raises to t2500</font>, <font color="#666666">1 fold</font>, Button calls t1500.

Flop: (t5200) 3[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero raises all-in [t2050] , Button calls t1950.



Button is LAG, about 25/15..

I'm obv ahead of buttons range.. The stack sizes made this a bit tricky imo..

What do you think?

Thanks for any input..