55 flops OESD vs semi short donk

[AZplaya]

Villian in this hand is 48/14, typical NL$50 donk. His range for lol minraising from the SB is pretty wide. Not sure how much fold equity I have, maybe 10 - 15%? Is our hand/draw strong enough to get it in on the flop?

Full Tilt Poker, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

BTN: $50.55
SB: $29.85
Hero (BB): $72.70
UTG: $56.45
MP: $50.05
CO: $49.70

Pre-Flop: 5[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
UTG calls $0.50, MP folds, CO calls $0.50, BTN calls $0.50, <font color="red">SB raises to $1</font>, Hero calls $0.50, UTG calls $0.50, CO calls $0.50, BTN calls $0.50

Flop: ($5) 4[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img] (5 Players)
<font color="red">SB bets $5</font>, <font color="red">Hero shoves</font>
thoughts?