When I was in college and couldnt afford steaks or other expensive forms of protein, I got them from eggs, one of the most well rounded sources of protein for the pricr
An empty calorie is one that provides little to no nutritional value other than the calorie itself. In my mind the most common empty calories come from sugars, some flours, and some oils.
[1]http://www.whfoods.com/genpage.php?tname=foodspice&dbid=48
Bacon* and cheese and sour cream are the healthy parts of that meal, the potato is the "empty" thing by far, and the thing that will provide the highest glycemic load of those ingredients, spiking insulin.
(note that I have no idea what bacon bits are, or if they're even pork meat)
What's healthy for one person may not be healthy for another, based on body weight/lifestyle/activity level/etc.