KK river check/check ok?

[ACChan]

Oponnent is solid but a bit LAG have only played a few hands with him.
Your opinion on the river?

$4-$4 No Limit HE (Real)
Seat 0: GazaCall ($181,90 in chips)
Seat 3: Reminder30 ($450,60 in chips)
Seat 4: Mesipop1 ($398 in chips)
Seat 6: AcuraChan ($358 in chips) (on the button)
Seat 9: giorgiao ($223,20 in chips)
*** Blind Bet Round *** :
giorgiao : Post Blind ($2)
GazaCall : Post Blind ($4)
Dealt to AcuraChan: Ks
Dealt to AcuraChan: Kd
*** Pre-Flop *** :
Reminder30 : Bet ($25)
Mesipop1 : Fold
AcuraChan : Raise ($55)
giorgiao : Fold
GazaCall : Fold
Reminder30 : Call ($30)
*** Flop *** : 7s 3d 4s
Reminder30 : Check
AcuraChan : Bet ($86)
Reminder30 : Call ($86)
*** Turn *** : [ 7s 3d 4s ] Ac
Reminder30 : Check
AcuraChan : Bet ($100)
Reminder30 : Call ($100)
*** River *** : [ 7s 3d 4s Ac ] 7d
Reminder30 : Check
AcuraChan : Check
*** SUMMARY ***
Pot: $485
Board: [ 7s 3d 4s Ac 7d ]
GazaCall lost $4
Reminder30 lost $241 Shows [ Js Jc ] (two pairs, Jacks and sevens)
Mesipop1 lost $0
AcuraChan bet $241, collected $485, net $244 Shows [ Ks Kd ] (two pairs, Kings and sevens)
giorgiao lost $2

[Hattifnatt]

wrong forum,

try this.

[ACChan]

ok posted it there,thanks.
feel free to delete!