Vacuuming is good when you've got to do it. Don't take your coping skills away from yourself. Anyway, you do have a dog.
If you don't want to meet with him, then don't. It's OK to put him off. Say "I need some time to get my thoughts in order." Or find someone to go with you that you can rely on to be a good moral support.
When I went to talk to my H, I said specifically, "I'm here to listen." I didn't agree to anything except selling the house (because I'd already decided on that). So you can take the advice I got, which is to go prepared ONLY to listen, keeping your own counsel, taking notes, and saying that you need to give things some thought.
If he starts bullying then you very calmly put your hand up, say that you can't have that conversation if he's being disrespectful, and if he persists you get up and walk out. Deal with it through lawyers at that point. You are STRONG. Your daughter said so and she's relying on you to stay that way.
You can do this.
Me42, H40 D12, S8, S7 A revealed: 7/13 Sep 4/14; Agreed to D 1/15