RR is hit or miss.
There are a lot of fakes:
https://dallas.rubratings.com/133051
https://dallas.rubratings.com/168535
https://dallas.rubratings.com/153508
But there are also a lot of winners:
https://dallas.rubratings.com/121661
https://dallas.rubratings.com/121667
https://dallas.rubratings.com/125976
With a free membership, you can filter by Reviewed providers only and read what others have said. Pay attention to those that have reviews disabled, they're disabled for a reason. If you can cross reference a provider between two or more sites, it will help determine if the post is legit.
Hope this helps,
Stay safe and monger responsibly,
Alex