I never know when to fold.

Seat 5 is the button
Total number of players : 10
raisethevol posts small blind [$2].
rivercrime posts big blind [$5].
** Dealing down cards **
Dealt to rivercrime [ 6d Ad ]
PANTHER__666 folds.
AJP97 folds.
HCapper calls [$5].
ryskyone folds.
Tenebrion folds.
gypson folds.
applejack8 calls [$5].
Skyar calls [$5].
raisethevol calls [$3].
rivercrime checks.
** Dealing Flop ** [ Jd, Kd, Kc ]
raisethevol checks.
rivercrime checks.
HCapper checks.
applejack8 bets [$5].
Skyar folds.
raisethevol calls [$5].
rivercrime calls [$5].
HCapper calls [$5].
** Dealing Turn ** [ Qd ]
raisethevol bets [$10].
rivercrime calls [$10].
HCapper raises [$20].
applejack8 raises [$30].
raisethevol raises [$30].
rivercrime calls [$30].
HCapper calls [$20].
applejack8 calls [$10].
** Dealing River ** [ 9d ]
raisethevol bets [$10].
rivercrime calls [$10].
HCapper raises [$20].
applejack8 folds.
raisethevol raises [$20].
rivercrime calls [$20].
HCapper raises [$20].
raisethevol calls [$10].
rivercrime calls [$10].

Did I make a mistake anywhere?