$200NL. Flop quads. Best line?

[cbboy]

Villain is 33/16/2.4 over 2.5k hands.

Party Poker
No Limit Hold'em Cash Game
$1/$2 Blinds
5 Players - (LegoPoker HH Converter)

SB: $186.18
BB: $259.92
<u>UTG: $424.15</u>
<u>Hero (CO): $359.20</u>
BTN: $84.82

Preflop: Hero is dealt 2[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/club.gif[/img] (5 Players)
<font color="red">UTG raises to $4.00</font>, Hero calls $4.00, 3 folds

Flop: ($11) 2[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">UTG bets $8.00</font>, <font color="red">Hero raises to $27.00</font>, UTG calls $19.00

Turn: ($65) 8[img]/images/graemlins/club.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $48.00</font>, UTG calls $48.00

River: ($161) K[img]/images/graemlins/spade.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets.... how much?</font>

How do you think flop and turn are played? What should I bet on the river? Should i go for a normal sized value bet? Or overbet shove and hope to get called be KK or 8x?