[Geschlossen] A9 nut flush am Turn

Known players: (for a description of vp$ip, pfr, ats, folded bb, af, wts, wsd or hands click here) 
[tg]Position_Stack:hands/vp$ip/pfr/af/wts/ats/foldbb/w$sd;BB$29.56:41/46/10/0.2/18/18/13/100;CO$25:59/22/10/0.6/25/25/18/0;SB$20.04:231/51/7/0.2/21/24/12/48;Hero$50.19:///////;MP2$26.77:21/33/5/0.1/20/50/25/50;[/tg]
0.10/0.35 No-Limit Hold'em (6 handed)
Hand recorder used for this poker hand: Texas Grabem 1.9 by www.pokerstrategy.com.

Preflop: Hero is BU with A♠, 9♠. CO posts a blind of $0.35.
MP2 calls $0.25, MP3 folds, CO checks, Hero calls $0.25, SB calls $0.15, BB checks.

Flop: ($1.35) 4♠, A♥, K♠ (5 players)
SB checks, BB bets $0.75, MP2 raises to $1.50, CO folds, Hero calls $1.50, SB folds, BB calls $0.75.

Turn: ($5.85) 7♠ (3 players)
BB checks, MP2 bets $3, Hero raises to $8.00, BB folds, MP2 calls $5.00.

River: ($21.85) A♦ (2 players)
MP2 checks, Hero bets $40.44 (All-In), MP2 raises to $17.02 (All-In).

Final Pot: $79.31

Raise am Turn war etwas zu klein geraten, sollte eher so 10-11$ sein.
Aber ist die bet am river dann in Ordnung, wo ja das board mit dem A paired?
Er könnte ja gut mit Ax ein FH haben.