Three checks to Hero

Multi-way Flop | 4-way: BTN | 100bb effective | Difficulty: Easy

Players in hand: UTG, MP, Hero (BTN), BB

Hero hand

6♣6♦

Board

2♥7♦4♠

Action so far:
4-way pot 10bb on 2♥7♦4♠
Three checks to Hero

Pot: 10bb   To call: 0bb

Villain range: Field after triple check: AK,AQ,KQ,QJ,JT, weak pairs

Your move: