Final 6 (ITM) of a 45 man. M = 6.1. 33 UTG. Push/fold?

[deluz35]

Blinds are 300/600 final 6 (ITM) of a 45 man. M = 6.1
Dealt pocket 3s UTG. Push/fold?

Full Tilt Poker : $10 + $1 Sit & Go - 300/600 - No Limit Hold'em -
Seat 1: (20,565)
Seat 2: (7,000)
Seat 4: HERO (5,500)
Seat 5: (16,310)
Seat 6: (4,460)
Seat 7: (13,665)
Seat 1 posts the small blind of 300
Seat 2 posts the big blind of 600
The button is in seat #9
*** HOLE CARDS ***
Dealt to HERO [3h 3d]
HERO raises to 5,500, and is all in