This is what I use ^^^.Not behind the tire , but I’ve been happy with these that I made up pretty cheap and put in the two open lug lug nut holes on the spare.
https://wranglertjforum.com/threads/3rd-brake-lights-in-open-lug-holes-on-you-spare.15324/
I also added a little flasher to it too later on.
https://wranglertjforum.com/threads/adding-a-flasher-to-your-3rd-brake-light.16356/
View attachment 518139
And I've added another LED strip to the upper edge of the Bestop Cargo basket. It connects in place of one of the little LEDs when I have a Trasheroo mounted covering the wheel.