Whats the flame is so wrong with oura new Boarder Collie puppy is 5 week?

helloo, wea just purchase a Boarder collie 5 week. She is little and self destructives. She chase my orther big breed mix dog. He get angry and GRRR. She cry all at the nights, we put her in milk box and lid on top but grills so shea can breeths. She poopoo all at the carpets, my wifea says AAARR THIS DOG IS DRIVIN MEA CRAZIE. then she cleana the poopoo. How do I make my boarder collie more affection, to me like nap on my chest area? How to say sit girl? She very dumb animal at now.