I tend to play overpairs very badly. I have 2 doubts in this hand... Should I call or raise after the first bet? After the reraise, I guess I have to fold, right? The first bettor was blufiing a lot, but the reraiser had just played a few hands.

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($4.15)
BB ($4.40)
UTG ($9.40)
MP ($12.40)
Hero ($10.70)
Button ($6.10)

Preflop: Hero is CO with Q, Q.
UTG calls $0.10, MP raises to $0.2, Hero raises to $0.7, 3 folds, UTG calls $0.60, MP calls $0.50.

Flop: ($2.25) 7, 7, 9 (3 players)
UTG checks, MP bets $2.1, Hero calls $2.10, UTG raises to $8.7, MP folds,

Hero??