Heeler for rehoming ASAP (Tullahoma tn)

Hi I have a very sweet and loving heeler boxer mix for rehoming he loves his people he might be a little bit shy his name is river he will make someone a very good dog he is house trained he will let you know when he has got to go out he likes toys he knows some commands PLEASE HELP WE NEED TO FIND RIVER A NEW HOME ASAP Please text me at show contact info