Preheat the oven to 375 degrees F. Whisk the orange juice, olive oil, 1 1/2 teaspoons Cajun seasoning, the thyme, Worcestershire sauce and 3/4 teaspoon salt in a large bowl. Pierce the pork chops in several places with a fork, then add to the bowl with the marinade and turn to coat. Transfer the pork chops to a rack set on a rimmed baking sheet, reserving the marinade. Bake the chops 15 minutes, then turn and continue baking until slightly golden, about 10 more minutes. Preheat the broiler. Whisk the honey into the reserved marinade and brush onto the chops. Broil until golden and a thermometer inserted into the center registers 145 degrees F, about 4 minutes per side. Let rest 5 minutes. Meanwhile, pierce the sweet potatoes in a few places with a fork and microwave until soft, about 20 minutes. Cut in half and scoop the flesh into a bowl. Add the butter and the remaining 1/2 teaspoon Cajun seasoning and mash; season with salt. Serve the pork chops with the mashed sweet potatoes and drizzle with the pan juices.