With a shore power I wouldn't think twice, residential fridge is the way to go. For boondocking - no way, unless you love listening to your generator.
Brand doesn't matter - too much - as long as it fits. I would stay away from no-name knock-offs, they come up in big box stores once and again, and may have noisy compressors or other problems. Width is most often the problem, RV frig cabinets are not too wide. Open the outside lid and measure the cabinet width. Then go inside and estimate the height and depth to the best of your abilities, considering the trim. Then measure the trailer door width to make sure that residential will fit through. Shut the propane off and cup the fridge propane line - duh...
