a little help

i want to thank you guys for helping me i did get a wheel so again thanks for your help Hi GUYS and GIRLS i need a little help from anyone with in about 25 miles of philly southeast Pa i am heading out of town to a car show and i need to put together a spair tire.... what i need is a 15inch any kind and long as it safe to fit a mopar 8.75 X 4.50.... RIM IT CAN BE STEEL I DON'T CARE BUT I NEED IT WITH IN by NEXT Wed.so i can pick up a tire have it mounted and ready to leave Friday morning

ANY HELP WOULD BE GREAT WILLING TO PAY FOR THE RIM BUT REMEMBER ITS ONLY FOR A SPAIR

THANKS
Tom