Help needed - from daughter

Sorry I have no idea if this is the right subreddit but I'm kind of desperate. I'm a 17 year old girl and my family just moved cross-country and we're really struggling.

My mom battles with heavy depression and is currently off her medication, but whenever someone suggests it she gets angry. She hates living here and everytime my dad and her moved she's become depressed like this. My dad is doing his best but he's kind of an old-fashioned guy (aka be makes a lot of our important decisions), but he's not a bad guy. He's being very gentle with my mom right now and doing whatever he can to please her.

It's 10AM right now and they're fighting again. I'm trying to be a peacemaker but I'm stressed with school and my own issues, I can't fix this. What do I do? I'm trying to suggest marriage counseling, as divorce is off the table (because when they aren't fighting dogs, they love each other. Plus my dad is the breadwinner. My mom works full time at a B&N mainly so my sibling and I can have games, fuel our hobbies, and do fun things).