PokerStars - $0.25 Ante $0.03 NL FAST (6 max) - Holdem - 6 players
Hand converted by Holdem Manager 3 : http://www.holdemmanager.com

BTN: $29.37 (117.5 bb)
Hero (SB): $25.00 (100 bb)
BB: $25.00 (100 bb)
UTG: $25.17 (100.7 bb)
MP: $87.95 (351.8 bb)
CO: $58.39 (233.6 bb)

6 players post ante of $0.03, Hero posts SB $0.10, BB posts $0.25

Pre Flop: (pot: $0.53) Hero has Ah As
2 folds, CO raises to $0.62, fold, Hero raises to $2.50, fold, CO calls $1.88

Flop: ($5.43, 2 players) 7h 6c 6h
Hero bets $1.73, CO calls $1.73

Turn: ($8.89, 2 players) Kh
Hero bets $5.50, CO calls $5.50

River: ($19.89, 2 players) 8d
Hero checks, CO bets $48.63 and is all-in, Hero folds

Results: $19.89 pot ($0.90 rake)
Final Board: 7h 6c 6h Kh 8d

CO wins $18.99

what do I here on the river? Is this a good fold I have no reads on regular seems to be a regular only 5 hands
Am I beat by any flush 6x ? I would assume he would checkback 99/99 through QQ range here I was not sure if this is a good fold.