3B pot, villain donks flop and turn

Posted 9 years, 9 months ago

Blinds: $0.10/$0.25 (6 Players) BN: $26.59 (Hero)
SB: $31.73
BB: $23.92
UTG: $27.00
MP: $18.36
CO: $14.42

Preflop ($0.35) Hero is BN with K K

UTG folds, MP raises to $0.75, CO folds, Hero raises to $2.50, SB folds, BB calls $2.25, MP folds

Flop ($5.85) Q J 5

BB bets $3.01, Hero calls $3.01

Turn ($11.87) Q J 5 2

BB bets $6.12

Villain is unknown.

Did I make a mistake not raising on this flop? As played, what should I do when he donks again on turn?