Question to bloggers, writers, editors anyone know how to…..I don’t know if I need to publish some of my chapters on my blog? (Autobiography blog for fiction book) 1 min read

Okay now I have a blog.  I don’t know am I supposed to post parts of my novel, chapters, characters and the like?

Then how does that help me with my book?

Also some of the content is risky-rated R. Can that go on blog?

Lastly, does anyone have experiences that would encourage me to post my novel stuff?

Thanks A