Although I don't have that particular model (and have a different floorplan), there is often wasted space next to the fridge or on top of it. It is ok to use that space, as long as there is air circulation around the back of the fridge, where the coils are located.
Here is a blog post describing a similar project:
By the way, you might be able to get a look at the area next to the fridge by removing the vent covers (outside) and peering in. If you don't have a direct line of sight, maybe hold your phone (carefully) and snap a photo inside the area next to the fridge??