Mix together the paprika, brown sugar, chili powder, cumin, chipotle chile powder, garlic powder and 1 teaspoon salt in a small bowl. Toss the pork chops in a container with the oil and lime juice, then rub with the spice mixture. Refrigerate, covered, for at least 30 minutes up to 2 hours before cooking.
Heat a cast-iron skillet over medium-high heat until hot. Toss the peppers and onions in a bowl with the oil, lime juice and 1 teaspoon salt. Add the pepper-onion mixture to the hot skillet and cook, stirring occasionally, until the vegetables are tender and the edges are charred, 8 to 10 minutes. Set aside.
Prepare an outdoor grill for medium-high heat.
Lightly brush the grill grates with oil and grill the pork chops until marked and cooked through, 4 to 5 minutes per side. Transfer to a cutting board, let rest for 10 minutes and then thinly slice.
Serve with the warm tortillas peppers and onions, guacamole, sliced pickled jalapenos, lime wedges, shredded pepper jack cheese, salsa, chopped scallions, sour cream.
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