Urgent Help for Opie to be okay from big dog attack!

Hi! My 6 year old puggle Opie was attacked by a big pitbull dog tonight long story short, we need to come up with money to help my babyboy out!! He was attacked bit and his arm is completely broken, we need X-rays vet stay I'm beyond scared for him and I just need him to be okay!! I wouldn't be asking for help if I knew what else to do!!!! He's such a sweet boy I just need him to be okay!!!!! Anything will help!!!! They want to put him down and that's completely not fair to any of us!!!!! Urgent Help please!!!!