Hav Wren w/brokenwing I need free organizations close 2 Bozman, Mt 2 fix & realease. it doin great/been a week

It is bein fed cat food made into oatmeal (an organization in Helena told me to) Its been eating great. He tries to fly when I put him outside. There is no open wounds but the wing is definetly broken. i hope its not 2 late to fix it. pleaze help