Should I make the call?

Party Poker No-Limit Hold'em, $ BB (9 handed) FTR converter on zerodivide.cx

MP3 ($12.15)
CO ($13.40)
Button ($21.15)
SB ($31.38)
BB ($21.95)
Hero ($26.80)
UTG+1 ($16.73)
MP1 ($27.90)
MP2 ($21.40)

Preflop: Hero is UTG with J, K. SB posts a blind of $0.10.
Hero calls $0.25, UTG+1 raises to $1, 2 folds, MP3 calls $1, 1 fold, Button calls $1, 2 folds, Hero calls $0.75.

Flop: ($4.35) J, Q, J (4 players)
Hero bets $1, UTG+1 calls $1, MP3 calls $1, Button raises to $3, Hero raises to $5, Button raises to $17.15........ Should I call it?, Final Pot: $29.50