16s push or call?

[littlepotato]

PokerStars Tournament, Big Blind is t50 (9 handed) Converter on pregopoker.com

UTG (t860)
UTG+1 (t2985)
MP1 (t1470)
MP2 (t540)
MP3 (t760)
CO (t1565)
Hero (t1400)
SB (t2460)
BB (t1460)

Preflop: Hero is in Button with A[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img]
<font color="red">UTG raises to t100</font>, UTG+1 calls t100, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">MP3 folds</font>, <font color="gray">CO folds</font>, Hero ???

utg short stack min raise, then one call, push or call?