4 pork bone-in rib chops, about 3/4-inch thick, trimmed
1 tablespoon chili powder
1 1/2 tablespoons light brown sugar, packed
3/4 teaspoon garlic powder
3/4 teaspoon onion powder
1/2 teaspoon salt
Pineapple Salsa*:
3 slices pineapple, cut crosswise about 1/2-inch thick, trimmed OR 3 slices canned pineapple,drained
1 jalapeno pepper, halved lengthwise, seeds and veins removed
1 tablespoon lime juice
salt , to taste