$10 NL - call river push?

[SpeciesFlora]

I only had 11 hands with this guy before this came up. He was very active though. Do you call this river? Is this a no-brainer?

PokerStars No-Limit Hold'em, $0.10 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($13.55)
UTG ($10.95)
Villain ($5.85)
MP2 ($8.35)
Hero ($33.65)
Button ($9.75)
SB ($34.10)

Preflop: Hero is CO with K[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Villain raises to $0.3</font>, <font color="#666666">1 fold</font>, Hero calls $0.30, <font color="#666666">2 folds</font>, BB calls $0.20.

Flop: ($0.95) J[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Villain bets $0.4</font>, <font color="#CC3333">Hero raises to $1.2</font>, BB folds, Villain calls $0.80.

Turn: ($3.35) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Villain checks, <font color="#CC3333">Hero bets $1.6</font>, Villain calls $1.60.

River: ($6.55) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Villain bets $2.75 (All-In)</font>, Hero...

Final Pot: $12.05

[shoxbb6]

Bet more on the turn, definitely call the river