Fridge was not running this AM

Hello, I woke up the am and the fridge was warm and freezer was only cool. Whirlpool Gold SxS GD5RHAXNB00 I unplugged it and let it set for 5 minutes, took the access panel off the back and plugged it back in, and I can hear the fan running and see it running. I let it run for about an hour, the freezer was getting cold again and the fridge side was slighlty getting cool. But when I open the door on the freezer it is still running, but when you open the fridge door the fan stops and have to unplug it , then plug it back in to run again. I replaced the Start relay and Capacitor that I purchased from appliancePartsPros 2 weeks ago because it stopped running. It ran great for the two weeks till this morning. The divideder between the freezer and fridge on the front side is very warm to the touch and the compressor is hot…i am getting ready to try cleaning coils also…what can it be defrost thermostate or switch??? thanks ted