In a large skillet, cook bacon over medium-high heat until crisp.
Drain on paper towels, and discard all but 3 tbsp. drippings.
Chop bacon into 1/4-inch bits, and set aside.
Add the onion to the skillet with the bacon drippings.
Cook on medium until soft, golden, and caramelized, about 7-8 minutes.
Add the garlic, and cook til soft, about 3 minutes.
Add the paprika, red pepper flakes, salt, and pepper to the skillet, stirring to combine.
Add the bourbon and maple syrup.
Bring to a simmer, and cook for 2-3 minutes, stirring constantly.
Add balsamic vinegar and brown sugar to the skillet.
Cook an additional 3 minutes, stirring constantly.
Reduce heat to low, and stir in the crumbled bacon.
Cook for an additional 8-10 minutes, stirring occasionally.
Remove from heat and cool.
Serve with crackers. Store in the refrigerator.