oes this guy ever not have a set? Range seems like sets, JJ.. QQ less likely I'd expect a raise pre from the 2xer… Maybe not with JJ. Only hand I can see him turning into a bluff is 10J? Some A10s? Hmm… Help?

Poker Stars $0.05/$0.10 No Limit Hold'em – 6 players – View hand 2606193
TournamentPokerEdge.com Hand History Converter

BTN: BB = Infinity, $17.39
Hero (SB): BB = Infinity, $18.54
BB: BB = Infinity, $15.66
UTG: BB = Infinity, $12.75
MP: BB = Infinity, $9.85
CO: BB = Infinity, $19.48

Pre Flop: ($0.15) Hero is SB with K K
1 fold, MP raises to $0.20, CO calls $0.20, 1 fold, Hero raises to $0.70, 2 folds, CO calls $0.50

Flop: ($1.70) T 9 7 (2 players)
Hero bets $1.30, CO raises to $2.60, Hero calls $1.30

Turn: ($6.90) 3 (2 players)
Hero checks, CO bets $6.59, Hero??