nl50 donk bluffraise. 2nd barrel or not?

[waedi]

Grabbed byHoldem Manager
NL Holdem $0.50(BB) Replayer
SB ($64.32)
BB ($58.95)
UTG ($66.63)
UTG+1 ($44.35)
CO ($50.75)
Hero ($49.75)

Dealt to Hero A:spade: Q:club:

fold, fold, fold, Hero raises to $1.50, SB calls $1.25, fold,

FLOP ($3.50) T:club: 9:diamond: 4:diamond:

SB bets $1.50, Hero raises to $6, SB calls $4.50,

TURN ($15.50) T:club: 9:diamond: 4:diamond: 8

check, Hero ?

in solchen spots bin ich oft unsicher.. wie oft 2ndbarrelt ihr? welche turncards? etc..

villain 38/18