Chili Rubbed Pork Chops with Grilled Pineapple Salsa

(3/4-inch thick) bone-in pork center loin chops, trimmed

chili powder

packed light brown sugar

garlic powder

onion powder

salt

(1/2-inch-thick) crosswise slices fresh pineapple, trimmed

medium jalapeno, halved lengthwise- seeds and veins removed

fresh lime juice

salt,