I made sour cream cookies many years ago and they were a drop cookie that was very soft. Not sure how these would turn out, but I’d bet they are good. I have seen other recipes that result in rolled cookies you could sprinkle with sugar or frost. The amount of flour added would dictate whether the dough is soft enough to drop or stiff enough to roll.
Sour Cream Cookies
2 cups sugar
1/2 cup lard or butter
1 cup sour cream
1 heaping teaspoon baking soda
Flavor to taste
Flour to make stiff