AA oop 100NL 6-max against weak bet on scary board

[Indomitus]

SB-Hero ($129.54 in chips)
BB ($106.68 in chips)
MP ($152.60 in chips)
CO ($165.50 in chips)
Button ($44.00 in chips)
Dealt to Hero [DA SA] A [img]/images/graemlins/diamond.gif[/img] A [img]/images/graemlins/spade.gif[/img]
MP: Fold
CO: Fold
Button: Call $1.00
SB: Raise $5.00
BB: Call $4.50
Button: Call $4.50
FLOP
9 [img]/images/graemlins/club.gif[/img] Q [img]/images/graemlins/heart.gif[/img] K [img]/images/graemlins/heart.gif[/img]
Hero: Bet $13.00
BB: Call $13.00
Button: Fold
TURN
8 [img]/images/graemlins/heart.gif[/img]
Hero: Check
BB: Bet $13.00
Hero: Call $13.00

Turn is really bad,but wtf this bet means?

RIVER
7 [img]/images/graemlins/spade.gif[/img]
Hero: Check
BB: Bet $20.00
Hero?

Villain 32/10 AF is 0.5 no particular reads.

[Indomitus]

any ideas?

[Da GOAT]

if you had bet turn then your decisions are alot easier