Hi,
Is this the [https://www.repairclinic.com/PartDetail/Dispenser-Actuator/W10133606/1450033?modelNumber=KSCS25FVMS01|switch] that you mean?
If so, perhaps the switch is failing to operate smoothly and needs to be replaced.
Here’s a link to a [https://www.repairclinic.com/Video/Video-Landing/393-4/Frigidaire-Refrigerator-Dispenser-Disassembly-Repair-Help|video] that may be of some help.