Our dog Beo needs more help & love

Please help us be able to pay for our dogs surgeries he is a 8 yr old pomperanian. My son was walking him Thursday night like always and a white Lab bit his body and his canine tooth torn through his body 5 " wide and a bruised lung this is very hard on my family so close to Christmas and the vet bill is over $2000  please help in anyway possible to save our dogs life and to be home with us for Christmas