I wanted to enhance the search results of my support site to show the ratings field as well. I came upon this fantastic blog article by Steve Peschka. … worked very well.
Steve references an older name of the Ratings field. Today this should be “ows_RatingsAverage”.
I didn’t see the Ratings Images, which are referenced in the article, in the default images provided by SharePoint. I created them. Feel free to copy them:
Here is what the end-result looks like: