Add onion; cook 3 minutes or until tender, stirring frequently. Stir in broth, blueberries, vinegar, molasses, 1/4 teaspoon salt, 1/4 teaspoon pepper, coriander, and plums; bring to a boil. Reduce heat, and simmer 20 minutes or until plums are tender and mixture is thick.
Heat a large nonstick skillet coated with cooking spray over medium-high heat.
Sprinkle 1/4 teaspoon salt and 1/4 teaspoon pepper over pork chops.
Add pork chops to skillet; cook 2 minutes on each side or until browned. Reduce heat to medium; cook 4 minutes or until done.
Remove pork chops from skillet; cover and keep warm.
Add plum mixture to skillet; bring to a simmer. Cook 2 minutes, scraping pan to loosen browned bits. Spoon plum mixture over pork.