[NL100 SH] AQo - Non-cb Board?

[Kreatief]

Hi,

PartyPoker $100 NL Hold'em <font color="#0000FF">(6 handed)</font> HandRecorder v0.9b

Stacks &amp; Stats
UTG ($100)
MP ($96) (34/13/1.28/39) (2485h)
CO ($158.20)
BB ($247.47)
SB ($105.03)
Hero ($119.69)

Preflop: Hero is BU with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img]
<font color="#666666">1 folds</font>, MP calls $1, <font color="#666666">1 folds</font>, <font color="#FF0000">Hero raises to $5</font>, <font color="#666666">2 folds</font>, MP calls $4.

Flop: ($11.50) 7[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP checks, Hero checks.

Turn: ($11.50) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP checks, Hero checks.

River: ($11.50) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
MP checks, Hero checks.

Final Pot: $11.50.

I remembered sbrugby telling, that one shouldnt cbet too often. Often you can just check the hand down when you have SD-Value.

Villain is passive and has a fairly high WTS. Is this line acceptable? Or should I just cbet the flop and then check down?