不舒服一手牌，bad fold or good fold

8 hands with this guy，no read。直觉上是一个fold。
Full Tilt Poker $0.05/$0.10 No Limit Hold'em - 6 players -
The DeucesCracked.com Hand History Converter

BTN: $2.90
SB: $11.98
BB: $12.38
Hero (UTG): $12.82
MP: $22.10
CO: $6.12

Pre Flop: ($0.15) Hero is UTG with Ac 9c
Hero raises to $0.30, 1 fold, CO calls $0.30, 3 folds

Flop: ($0.75) Kd 6c 7c (2 players)
Hero bets $0.50, CO raises to $5.82 all in, Hero folds

Final Pot: $1.75
CO wins $1.64
(Rake: $0.11)