HEAT grill to medium-high heat.
MIX dressing and jam with whisk until blended. Brush 2 Tbsp. dressing mixture on chops. Let stand 10 min. Pour 2 Tbsp. dressing mixture over peaches; toss to coat.
MEANWHILE, arrange beans in center of sheet of heavy-duty foil; sprinkle with nuts. Drizzle with remaining dressing mixture; fold to make packet.
WRAP potatoes individually in foil. Place potatoes, bean packet, chops and peaches on grate of grill. Grill peaches 10 min., potatoes and beans 15 min. and chops 10 min. on each side or until done (145º F). Let chops stand 3 min. before serving.