PokerStars No-Limit Hold'em, $0.50 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($48.55)
UTG+1 ($159.30)
MP1 ($51.50)
MP2 ($50)
Hero (MP3) ($178)
CO ($49.95)
Button ($58.90)
SB ($48.75)
BB ($57.25)

Preflop: Hero is MP3 with K, K
1 fold, UTG+1 raises to $2, 2 folds, Hero raises to $6, 4 folds, UTG+1 raises to $18, Hero calls $12

Flop: ($36.75) 3, Q, Q (2 players)
UTG+1 bets $21, Hero calls $21

Turn: ($78.75) 3 (2 players)
UTG+1 bets $50, Hero?

Comments on all streets appreciated.