live call, fold or push?!?

[fettsack]

Hi,

Live 100€ rebuy tournament

30 Players at the beginning. 3 places payed.
Played down to 11. One to go, than final tabel.

My tabel is 5-handed.I´m in the Small Blind.

UTG raises most of the hands he enters a pot with
HJ only reraises AA and KK pf.

Blinds 500/1000
Blinds rise to 1000/2000 in 2 Hands

UTG(17000) raises 3000
HJ (~25000) calls 3000
CO folds
Hero(10500) ATs what to do???

BB(~30000) If I push, he calls(pushes) only QQ+, AK