Could you get away from this hand?

$1,000 max buy-in, NL, weak table, live game, Indian Casino...lots of "kids" buying in for their only $500 to $600 in the world, 5-10 blinds, most players are very readable.

Hero in small blind with 33.

Under the gun (Villian) is very tight and predictable. Hasn't done anything terribly wrong or right for the past 3 hours.

Villian makes is 55 under the gun and 5 people call. I call knowing full well that Villian has one of two hands, KK or AA.

Pot Approx $350.00

Flop comes 3, Q, J.

I lead for $125 and Villian goes all in for $725 more... everyone folds to me.

I insta-call and ask if he has Aces or Kings.

Your thoughts.