Overplay an overpair?

[RobbyRockets]

Aussie Qualifier on PP ($210/$15)
53 player MTT
Winner gets package to Australian Open

Level 5.
We're down to 3 tables and about 25 players.
Hero is the button with t2000.
Villain is in the BB and table chip leader with t4500.

Hero dealt TT. Several limpers, Hero raises to t450. Villain flat calls in the BB. Everyone else folds.

9-6-2 rainbow flop. Villain checks, Hero swings t750 (about half my stack). Villain check raises all-in.

What's your play?