2$: 83o flop BP and FD

[holy32]

Is this okay or just plain dumb ?
Button is very loose player

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t120/t240
4 players
Converter

Stack sizes:
UTG: t3420
Button: t6400
SB: t1780
Hero: t1900

Pre-flop: (4 players) Hero is BB with 8[img]/images/graemlins/club.gif[/img] 3[img]/images/graemlins/heart.gif[/img]
UTG folds, Button calls t240 <font color="aaaaaa">(pot was t360)</font>, SB calls t120 <font color="aaaaaa">(pot was t600)</font>, Hero checks.

Flop: 3[img]/images/graemlins/club.gif[/img] Q[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/club.gif[/img] (t720, 3 players)
SB checks, <font color="#cc0000">Hero is all-in t1660</font>