I’ve not tried this, but everything Sucklebusters That I’ve ever bought was really good stuff. I bet this is too. If you read the description and ingredients I would think it would be grand on lots of things besides fish.
https://www.sucklebusters.com/bbq-rubs-seasoning/lemon-pepper-garlic/
https://www.sucklebusters.com/bbq-rubs-seasoning/lemon-pepper-garlic/