Hi everyone, we got a new puppy and our older dog hates her, first time they so each other the older dog sniffed her for a second and tried to bite her straight away, ever since everytime she sees her she tries to get her, we can even put the puppy down, tried to with the puppy in her crate and let the older dog in the room to say hello and she just pounced on the crate, dont know what we are doing wrong, as anyone got any advice?