Ultimate Bet No-Limit Hold'em, $.25 BB (9 handed) internettexasholdem.com

SB ($21)
BB ($9.50)
UTG ($8.65)
UTG+1 ($29.95)
MP1 ($24.20)
Hero ($17.45)
MP3 ($31.55)
CO ($18.30)
Button ($4.30)

Preflop: Hero is MP2 with :ah, :kh.
1 fold, UTG+1 raises to $0.5, 1 fold, Hero raises to $1.4, 5 folds, UTG+1 raises to $3.5, Hero calls $2.10.

Flop: ($7.35) :3h, :9h, :3s (2 players)
UTG+1 bets $5, Hero bets $5, UTG+1 calls $0.

Turn: ($17.35) :ks (2 players)

River: ($17.35) :6h (2 players)

Final Pot: $17.35

Results in white below:
UTG+1 has Ac Ad (two pair, aces and threes).
Hero has Ah Kh (flush, ace high).
Outcome: Hero wins $17.35.

Any thoughts ... suggestions for future? Thanks.