Taillight not working issue

Hi :)
I have the vehicle listed above Hemi- Limited 5.7. Quadra Drive II.

I had a low beam on the passenger side go out about a week ago and had it replaced. Thought that was it. Nope. Then my fog lights and my passenger taillight went out. The bulbs look fine and are not burnt or blue. I was checking the taillight and decided to plug the passenger tail light in to the driver side taillight to see if the lights were actually working or not. And guess what? They all worked fine including the taillight. So I then plugged the driver side tail light in to the passenger side to see if that taillight would work or not. And nope. That darn taillight didn't work. Though nothing looks to be wrong with it. So I checked all the fuses and relays for the lights I could find and those all looked fine too. I then check to see if that socket was getting power to it for the taillight and yep it is getting power to it but the tail light is not working. The back up blinker and brake lights all work fine too. Just that darn tail light doesn't. I don't get what else it could be.

Please help!