Hi everyone, thanks in advance for your help.
In November we got a Chorkie puppy (named Freda), and she is now 8 months old. She has been really difficult to train in general, and is terrible on a leash, but we did a lot of research into small dogs before we got her and I don't think we've babied her at all. She's just stubborn.
Four days ago, we got a second dog, a black lab (named Vitalia) from the shelter. She's 9 months old and we are her third home. She has pretty bad separation anxiety and tends to follow us around the house, get up when we leave a room, check to make sure we're all still here, etc.
Vitalia is very obedient and quick on the uptake compared to Freda, and she's very submissive to us. We introduced them fairly well, first at the shelter (Where they didn't fight at all, just sniffed at each other) and then, when we brought Vitalia home, at the park opposite our house. We were really careful about introducing them both neutrally and equally. Freda sleeps downstairs and Vitalia sleeps in our bedroom, and we feed them in separate rooms (Freda by her crate in the living room, and Vitalia in the kitchen). I walk them together; Vitalia is always 98% perfect on the leash (sometimes she drags to sniff at stuff, but never to harass Freda) and Freda is as bad as she's always been, plus she tends to try and antagonize Vitalia whenever we come to a stop for a light or a car.
However, any time Freda isn't either in someone's lap, or in her crate, they both go nuts. I'm pretty sure they're fighting for dominance, but I don't know enough about dogs to know how to deal with it. They chase each other, growl a little, and any time one seems to start to lose interest the other coaxes them. Vitalia stands over Freda a lot, herds her, bats at her and pins her with her teeth. Freda is too small to do a lot of those things but she does the batting and she tends to bite back. I say bite - nobody's been hurt, as far as I can tell, and there definitely hasn't been any blood. So far it hasn't been any kind of dangerous biting, but I'm still pretty scared. Vitalia's huge and I'm really frightened that she might hurt Freda.
I adore both of them and I can't bring myself to get rid of either of them. I really want to help them get along but I'm not sure what's dangerous, what isn't, and how to get them to listen and behave how they should when they start doing that.
Any advice is really appreciated xoxox