Add remaining 2 Tbsp olive oil to skillet & heat over medium-high heat. Add garlic, shallot & red pepper flakes & cook until fragrant, 1-2 minutes. Add shrimp & cook until pink & beginning to brown, 3-4 minutes. Add 1/4 cup chicken broth & let simmer until evaporated, about 2 minutes. Remove from heat, season with salt & pepper & stir in basil. Add risotto & bacon back to skillet, stirring to combine with shrimp. Serve.