1Heat gas or charcoal grill. In medium bowl, mix ground beef and 2 tablespoons of the chopped jalapeños. Shape mixture into 8 patties.
2Place patties on grill over medium heat. Cover grill; cook 10 to 12 minutes, turning once, until meat thermometer inserted in center of patties reads 160°F. Place cheese slices on patties until cheese melts. Keep patties warm. Reduce heat to low.
3Separate dough into 8 biscuits. Spray both sides of biscuits with cooking spray. Place biscuits on grill over low heat. Cook, uncovered, about 4 minutes or until light golden brown; turn. Cover grill; cook 2 to 3 minutes longer or until golden brown.
4Split biscuits. Place burger on bottom half of each; top with mayonnaise, remaining chopped jalapeños and remaining biscuit half.