$5NL 6-Max, WTF I have 2 purr facing huge river overbet!!

[Wooden Ta Sheng]

No reads, I'm new to the table.

PokerStars No-Limit Hold'em, $0.05 BB (5 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($9.71)
UTG ($6.59)
MP ($15.22)
Button ($2.08)
Hero ($9.85)

Preflop: Hero is SB with J[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, MP calls $0.05, <font color="#666666">1 fold</font>, Hero completes, BB checks.

Flop: ($0.15) 7[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">BB bets $0.15</font>, MP calls $0.15, <font color="#CC3333">Hero raises to $0.8</font>, BB calls $0.65, MP folds.

Turn: ($1.90) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">BB bets $0.45</font>, Hero calls $0.45.

River: ($2.80) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">BB bets $8.41 (All-In)</font>, Hero waits for a short period then folds.

Standard or do you snap call? Do you play the turn the same for pot control purposes? I can definitely see KJ and KQ in his range.