$16 Stars: JJ @ 75/150: Regular raises 3x BB, Hero???

[BeattysLuck]

PokerStars No-Limit Hold'em Tourney, Big Blind is t150 (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP (t2155)
Button (t1850)
SB (t1910)
Hero (t3365)
UTG (t4220)

Preflop: Hero is BB with J, J.
UTG raises to t450</font>, 4 folds</font>.

Final Pot: t375

Viilian is a regular at the 16s. Coming from UTG, I cant see him doing this with anything less than AQs+ 1010+. But he also knows that I know who he is, so would respect my hand if I came over the top. What should I do in this situation?