NL25: calling station..vbet?

[von7thal]

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: ITH Forums)

Button ($32.85)
SB ($23.85)
BB ($11.15)
UTG ($24.90)
Hero ($54.75)
CO ($26.35)

Preflop: Hero is MP with :qs, :kd.
1 fold, Hero raises to $1, 2 folds, SB calls $0.90, BB calls $0.75.

Flop: ($3) :ks, :5s, :th (3 players)
SB bets $1.25, BB folds, Hero calls $1.25.

Turn: ($5.50) :3h (2 players)
SB bets $1.5, Hero raises to $4.75, SB calls $3.25.

River: ($15) :4h (2 players)
SB bets $1.5, Hero ?

villain: 65.2/4.3/1.64 über 46 hände
vbet oder call?