AK 5nl

I don't know how i played this hand: need help

Full Tilt Poker Game #xxx: Table Flash - $0.02/$0.05 - No Limit Hold'em - 16:29:09 ET - 2010/10/12
Seat 1: steo70 ($6.63)
Seat 2: birma20 ($2.45)
Seat 3: mi hollen ($1.95)
Seat 4: Cool-o-Bok ($3.87)
Seat 5: VIVANKU ($1.13)
Seat 6: Hero ($23.81)
Seat 7: achim32 ($4.98)
Seat 8: Dr-Prelude23 ($1.40)
Seat 9: rogua ($4)
VIVANKU posts the small blind of $0.02
Hero posts the big blind of $0.05
The button is in seat #4
*** HOLE CARDS ***
Dealt to Hero [Ks Ad]
achim32 folds
Dr-Prelude23 folds
rogua folds
steo70 folds
birma20 folds
mi hollen calls $0.05
Cool-o-Bok folds
VIVANKU folds
Hero raises to $0.17
mi hollen calls $0.12
*** FLOP *** [9s Tc 4s]
Hero bets $0.30
mi hollen has 15 seconds left to act
mi hollen calls $0.30
*** TURN *** [9s Tc 4s] [6c]
Hero has 15 seconds left to act
Hero bets $0.75
mi hollen calls $0.75
*** RIVER *** [9s Tc 4s 6c] [8c]
Hero checks
mi hollen bets $0.73, and is all in
Hero