I have always liked the content that BambooHR puts out... I would recommend following them for their white papers, webinars, etc.
This is a great starting point for HR in Small Businesses. Check it out!
https://www.bamboohr.com/blog/hr-tips-for-small-businesses/
Does this resonate? What else do you struggle with?
Please share here in the general channel - others can chime in!