100NL - Very tricky hand with AK oop

[JimmyRare]

Villian is unknown.
How should I play this hand?

Prima Poker skin
No Limit Holdem Ring game
Blinds: $0.50/$1
6 players
Converter

Pre-flop: (6 players) Hero is BB with K[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/club.gif[/img]
UTG calls, UTG+1 calls, 2 folds, SB calls, <font color="#cc0000">Hero raises to $5</font>, UTG folds, UTG+1 calls, SB folds.

Flop: Q[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/club.gif[/img] 3[img]/images/graemlins/club.gif[/img] ($13, 2 players)
<font color="#cc0000">Hero bets $9</font>, UTG+1 calls.

Turn: K[img]/images/graemlins/spade.gif[/img] ($31, 2 players)
<font color="#cc0000">Hero bets $20</font>, UTG+1 calls.

River: 9[img]/images/graemlins/spade.gif[/img] ($71, 2 players)
Hero checks, <font color="#cc0000">UTG+1 bets $20</font>, Hero calls.

Results:
Final pot: $111

[good_gamble]

Played fine tho I could prolly find a fold on the river

[mertzo]

I would sometimes check/raise turn all in. And if it goes check-check valuebet any river (duh?). Im guessing its 100bb.
But you played it fine. River call is kinda for free so wtf.

edit: thought about it som more