QQ: how to bet the river?

[sloove]

My image was pretty the lasat rounds since I got dealt some good cards and have been involved in several pots so I was prepared, that someones gonna make a move at me.

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) by Hand Converter CG

saw flop|<font color="#C00000">saw showdown</font>

SB ($233.10)
BB ($153.80)
UTG ($105.80)
Hero ($198.65)
Button ($201.50)

Preflop: Hero is MP with Q[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
UTG folds, <font color="#CC3333">Hero raises to $4</font>, Button folds, SB folds, BB calls $3.

Flop: ($8.50) 7[img]/images/graemlins/club.gif[/img], 9[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $6</font>, <font color="#CC3333">Hero raises to $21</font>, BB calls $15.

Turn: ($50.50) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $28</font>, Hero calls $28.

River: ($106.50) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, Hero... ???

My qestion is about how to bet the river accordingly. This guy had tagish stats 20/12/1.2 and 26 WSD.

What would you do in that spot?

I thought about either valueshoving or a 1/2PS bet to get paid off by a PP.