Villain's loose 59/22/2.14 over 27 hands

C-Bet/fold or Check/fold? Notr much we can do here, I guess...

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.10/$0.25
6 players
Converter

Stack sizes:
UTG: $20.50
UTG+1: $43.85
CO: $12.70
Button: $30
SB: $25
Hero: $23.55

Pre-flop: (6 players) Hero is BB with K K
UTG folds, UTG+1 raises to $0.75, CO calls, Button calls, SB folds, Hero raises to $4, UTG+1 calls, 2 folds.

Flop: Q A 7 ($9.6, 2 players)
Hero??