$20/$40 Foxwoods- who folds this in a 22 BB pot?

[party36master]

I am SB in this hand, but I will post it as my opponent.

Opponent is a well respected Foxwoods regular/pro, and is in MP2 with 66.

2 limpers to MP2, who limps w/66, raise from MP3, cold call from button, 3 bet from small blind, BB calls the 3bet, both limpers call, MP2 calls, MP3 calls, button caps, all call.
7 players- 28 small bets

Flop: K67 rainbow

SB bets, BB calls, MP2 raises, SB 3 bets, BB calls, MP2 calls
3 players- 18.5 big bets

Turn is A, 2nd club on board

SB checks, BB checks, MP2 bets, both call.

3 players- 21.5 big bets

River is K.

SB bets, BB folds, MP2 folds the full house getting 22:1.