I thought he had the ace, but not suited and was drawing to the nut flush. Do you fold the river? I limped from the SB because if I did catch a straight or a flush the fish normally pay me off

***** Hand History for Game 2264125322 *****
$25 NL Hold'em - Sunday, June 26, 00:20:06 EDT 2005
Table Table 37034 (6 max) (Real Money)
Seat 6 is the button
Total number of players : 6
Seat 1: JEstrop ( $24.88 )
Seat 2: Alexmiami ( $25.95 )
Seat 3: smkstk ( $23.53 )
Seat 4: flamidols ( $56.08 )
Seat 5: TexGW ( $9.2 )
Seat 6: GRIMY01 ( $18 )
JEstrop posts small blind [$0.1].
Alexmiami posts big blind [$0.25].
** Dealing down cards **
Dealt to JEstrop [ 4s 2s ]
smkstk folds.
flamidols calls [$0.25].
TexGW folds.
GRIMY01 calls [$0.25].
JEstrop calls [$0.15].
Alexmiami checks.
** Dealing Flop ** [ Ks, 7s, Qs ]
JEstrop bets [$1].
Alexmiami calls [$1].
flamidols folds.
GRIMY01 folds.
** Dealing Turn ** [ Th ]
JEstrop bets [$3].
Alexmiami calls [$3].
** Dealing River ** [ 8c ]
JEstrop bets [$10].
Alexmiami raises [$20].
JEstrop ...