PokerStars No-Limit Hold'em, $1.00 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($73.50)
UTG ($26.50)
UTG+1 ($29.65)
MP1 ($55.55)
MP2 ($113.20)
MP3 ($102.95)
CO ($57.85)
Button ($33)
Hero ($109.80)

Preflop: Hero is SB with K, K.
5 folds, CO calls $1, Button calls $1, Hero raises to $5, BB calls $4, CO folds, Button folds.

Flop: ($12) 6, T, 7 (2 players)
Hero bets $11, BB raises to $27, Hero ???

---

Villian is 38/15/0.76 over 60 hands.

What's your move here?