Raspberry-Balsamic Glazed Chicken

Ingredients:
1 tsp. olive oil
1/2 cup chopped red onion
1/2 tsp. thyme
1/2 tsp. salt, divided
4 chicken breasts
1/3 cup raspberry preserves
2 TBS balsamic vinegar
1/4 tsp. pepper

Heat oil in nonstick skillet over medium high heat till hot. Add onion; saut 5 minutes. Combine thyme and 1/4 tsp. salt; sprinkle over chicken. Add chicken to skillet; saute 6 minutes on each side or until done. Remove chicken from skillet; keep warm. Reduce heat to medium low. Add 1/4 tsp. salt, preserves, vinegar, and pepper, stirring constantly until the preserves melt. Spoon sauce over chicken.