PLACE the potatoes in a large pot and cover with a few inches with water. Add a large pinch of salt and bring to a simmer. Cook the potatoes for 10-15 minutes until they are tender.
MEANWHILE, heat a large skillet over medium heat. Add the bacon and cook until it is brown and crispy. Remove the bacon with a slotted spoon and transfer to a paper towel-lined plate, reserving about two tablespoons of drippings in the skillet.
ADD the onion and garlic to the skillet and cook until the onion is tender, about 5 minutes.
ADD the kale and cook until it has wilted, about 5-6 minutes.
DRAIN the potatoes and place them back into the pot. Add the kale and onion mixture, Whole30 House Ranch dressing, and salt and pepper to taste. Using a hand mixer, mash until smooth. Cover the pot to keep warm.
RETURN the skillet to medium heat and add the sausage. Cook, stirring occasionally until it is browned and heated through, about 5-7 minutes.
SCOOP the potatoes into a large bowl and top with the sausage, bacon, and green onions. Serve with more ranch.