I have a historical question to ask. Is there a USA equivalent of the Canadian version of Potato Poutine?

I think there is, if you count the various chain restaurant versions of Idaho French fries smothered in cheese, usually shredded cheddar, mozzarella or Monterey Jack, bacon bits and green onions, served with a side of ranch dressing. Here is a historical appetizer coaster from the Outback Steakhouse chain featuring their version: