NL$100: AA line check vs donk

[orentha]

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
8 players
Converter

Stack sizes:
UTG: $100
UTG+1: $88.65
MP1: $99
MP2: $27
Hero: $161.55
Button: $42.95
SB: $55.50
BB: $102.50 same donk as my other post : 52/2/.24 over 60 hands

Pre-flop: (8 players) Hero is CO with A[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img]
4 folds, <font color="#cc0000">Hero raises to $4</font>, 2 folds, BB calls.

Flop: 2[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img] ($8.5, 2 players)
BB checks, <font color="#cc0000">Hero bets $5</font>, BB calls.

Turn: 4[img]/images/graemlins/club.gif[/img] ($18.5, 2 players)
BB checks, Hero checks.
should I be betting here ? or is a ch a good pot controller?

River: 2[img]/images/graemlins/spade.gif[/img] ($18.5, 2 players)
BB checks, <font color="#cc0000">Hero bets $10</font>, BB...

should I bet more here? maybe $12-13 and fold to a raise?