Drain pears, reserving all liquid. Brown chicken in large saucepan; drain off excess fat. In small bowl, combine pear liquid with vinegar, salt, garlic and thyme. Pour over chicken and bring to boil. Reduce heat; cover and simmer for 30 minutes or until chicken is tender. Place chicken on serving platter; keep warm. Boil liquid in pan to reduce and thicken, about 10 minutes. Add pear halves; heat through. Spoon sauce and pears over chicken. Sprinkle with raspberries to serve.