OESFD on the turn ... rebuy tourney

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Full Tilt Poker
No Limit Holdem Rebuy Tournament
Blinds: $10/$20
9 players
Converter

This is a rebuy tourney with starting stacks 1k. I rebought immediately, and then stacked someone on the first hand. This hand is still within the first orbit.

Stack sizes:
UTG: $1980
UTG+1: $1160
MP1: $830
MP2: $1920
Gyro: $3130
CO: $970
Button: $1950
SB: $980
BB: $2080

Pre-flop: (9 players) Gyro is MP3 with 9[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img]
UTG calls, UTG+1 folds, MP1 calls, MP2 folds, Gyro calls, CO calls, Button folds, SB calls, BB checks.

Flop: Q[img]/images/graemlins/heart.gif[/img] J[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/club.gif[/img] ($120, 6 players)
SB checks, BB checks, UTG checks, <font color="#cc0000">MP1 bets $120</font>, Gyro calls, CO calls, 3 folds.

Turn: 7[img]/images/graemlins/diamond.gif[/img] ($480, 3 players)
<font color="#cc0000">MP1 bets $480</font>

What's my line?