HU NL50: top pair vs raising und flush board

[von7thal]

PokerStars No-Limit Hold'em, $0.50 BB (2 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Button ($48.60)
Hero (SB) ($102.25)

Preflop: Hero is SB with :ad, :jd
Button raises to $1, Hero raises to $3.50, Button calls $2.50

Flop: ($7) :8h, :ah, :5d (2 players)
Hero bets $3.50, Button raises to $7, Hero calls $3.50

Turn: ($21) :kh (2 players)
Hero checks, Button bets $10, Hero calls $10

River: ($41) :th (2 players)
Hero bets $81.75 (All-In)

nice bluff spot?
villain eher nittig und wird hier eher nur mit besseren hearts callen.
gegen calling station auch nice spot da villain selten herz hat?