FR100 K Ts

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.5/$1 No-Limit Hold'em (7 handed)

Known players:
[tg]BU$40.00:///////;SB$100.00:///////;BB$35.39:///////;MP1$100.00:///////;MP2$102.55:///////;MP3$102.75:///////;CO (Hero)$106.92:///////;[/tg]

Preflop: Hero is CO with T:s, K:s.
3 folds, Hero raises to $3.00, BU folds, SB raises to $10.00, BB folds, Hero raises to $21.00, SB calls $11.00.

Flop: ($43) 2:d, 5:s, 9:h (2 players)
SB checks, Hero bets $12.00, SB calls $12.00.

Turn: ($67) Q:s (2 players)
SB checks, Hero bets $22.00, SB calls $22.00.

River: ($111) K:c (2 players)
SB checks, Hero checks.

Final Pot: $111.

Villain 21/17/1.8 AF over 500 hands

3bet 9%
Fold to 4bet 60%

I kind of put him on AQs TT,JJ and some traps like AA,KK. I believe AK will let me know preflop already.

He snap called my flop bet then tank call the turn.

How is my line? I think river I should just check down.