Normally I connect to my domains using FTP, but google domains doesn't have that option. Is there another way I can connect the two?
I don't understand the question.
If you want to use Dreamweaver to build your site, you need commercial (paid) hosting with a server provider like GoDaddy, InMotion, Dreamhost, Hostgator, AWS or others.
I think that you are best off using Firebase as explained in this video
Or if you are like me and use a sensible tool, as explained in the following video.
Before I post the link, let me explain that this video was created 2 years ago using Wappler v3. We are now using v5 however the basics remain the same.