1/3 cup Fat-free, lower-sodium chicken broth
1 pound Brussels sprouts, halved
1/4 cup Thinly sliced onion
2 tsp. Butter
1/4 cup Dry white wine
1 Lemon, cut into wedges
4 Bone-in chicken thighs
1/2 tsp. Black pepper, divided
1/2 tsp. Kosher salt, divided
2 tsp. Chopped fresh thyme, divided
1 tbsp. Minced garlic
1 tbsp. Olive oil, divided