In your refer compartment, You should find a two or three inch probe with a pair of wires coming out of it and running through the back wall.
This "probe" is called a thermistor.
It should be mounted on a plastic bracket clamped to one of the fins on the heat exchanger inside your refer compartment.
Slide it up for a colder refer compartment.
Slide it down for a warmer refer compartment.
Go to Harbor Freight and purchase two electronic thermometers.
Put one remote sensor in the freezer compartment. Put the other remote sensor in the refer compartment.
We want our freezer to be 0 degrees F.
We want our fridge to be above 32 degrees, but not much.
Hope this helps.
P.S. Yours is a good problem to have. You realize you are really annoying some people with this thread?