Not any of these issues?
How to Troubleshoot the Ice Maker
If the refrigerator ice maker needs troubleshooting, follow these instructions to help resolve the issue. If it’s still on or jammed, continue reading.producthelp.kitchenaid.com
Clogged filter seems like the prime suspect but you seem like someone who would stay on top of that.
Yeah I replaced the filter first. Water is coming out just fine from the dispenser so I don't think the water supply is a problem.