Combine 1/4 teaspoons curry powder, paprika, and salt. Sprinkle pork with the curry mixture. Combine 1/4 teaspoons curry, marmalade, horseradish, vinegar, and pepper in a small bowl.
Heat a large nonstick skillet coated with cooking spray over medium-high heat. Add the pork, cook for 5 minutes on each side or until pork loses its pink color and reaches desired temperature. Remove from pan. Add the marmalade mixture to pan; cook for 15 seconds, scraping pan to loosen browned bits. Spoon sauce over the pork chops.