Villain is 15/14/3,2/2,8 over 320 hands, so pretty nitty player. Hasnt made any noteworthy moves so far.

Pf 3 bet is maybe a tad too small. Flop is maybe a bet/fold or bet/call but i felt this flop hit his pf-calling range pretty hard? Plan on turn and rivers?

No-Limit Hold'em, $1.00 BB (5 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

UTG ($221.31)
MP ($46.53)
Button ($403.61)
Hero (SB) ($255.69)
BB ($112.21)

Preflop: Hero is SB with ,
2 folds, Button bets $3, Hero raises $10, 1 fold, Button calls $7.50

Flop: ($22) , , (2 players)
Hero checks, Button checks

Turn: ($22) (2 players)
Hero checks, Button bets $15, Hero calls $15

River: ($52) (2 players)
HERO?

Total pot: $52