GE Fridge and freezer warm

My fridge and freezer are both not cooling enough. Fridge is only maintaining 63 degrees and freezer at 53 degrees. This seemed to happen overnight out of the blue. There are two fans working. If you open either side a fan shuts off and comes back on when you close the door. (this is normal as it always has done). I vaccumed off the coil, checked the circuit breaker, turned both sides to max cold setting and still no change. Also within the first 2 or 3 years the water and ice dispenser malfunctioned by staying on constantly whether we set it on ice or water and I shut the water supply off and that’s how it’s been for years. I live on a fixed income and did not want to spend money for just ice and water. Now I would like to fix it completely. Can anyone help me diagnose this?