A good read - I've found that too many PRs then ends up difficult as you're constantly rebasing them to remove the constant merge commits, so am happy with a larger PR with lots of atomic commits that allow reviewing them in isolation
Recommended read: How to Scope Down PRs https://www.netlify.com/blog/2020/03/31/how-to-scope-down-prs/
Recommended read: How to do High-Bar Code Review Without Being a Jerk - Andrew King https://andrewking.ca/2020/01/how-to-do-high-bar-code-review-without-being-a-jerk/
Performing Code Review on Your own Merge/Pull Requests (4 mins read).
Why the first step to getting others to review your code is to review it yourself.