Stars $15+1: A7 on bubble, with second biggest stack

[Galilee]

What sort of things should I be weighing up here? My first instinct was to push. Then I thought, no - too risky when the big stack could bust me. But a 3BB raise could get me into more trouble than a push, if I'm not re-raised off it anyway. So I pushed ...

HOLD'EM NO LIMIT - LEVEL VIII (200/400)

Seat #4 is the button
Seat 1: O'bello (1972 in chips)
Seat 4: Galilee (3905 in chips)
Seat 5: skidzter (1090 in chips)
Seat 6: eatbush (6533 in chips)

O'bello: posts the ante 25
Galilee: posts the ante 25
skidzter: posts the ante 25
eatbush: posts the ante 25
skidzter: posts small blind 200
eatbush: posts big blind 400

Dealt to Galilee [As 7h]
O'bello: folds
Galilee: ...?