Dog Training Job - Delmas, MP, 2210

My sister has a Weimaraner who is terribly aggressive to her and her other dogs, he attacks the other dogs for no reason and shows aggression and dominance towards my sister, who has now become terrified of the dog. I suggested to her that she gets the dog evaluated etc so that she can make an informed decision whether to rehome him with someone who can handle him or try help him get better. My sister lives in Delmas, MP.