So Yeon Ryu broke away on the closing holes at Kemper Lakes to take a three-stroke lead in the KPMG Women's PGA Championship.The 28-year-old South Korean star birdied the 14th and 15th holes to jump ahead of Canadian Brooke Henderson and finished with a birdie on 18. She shot a 5-under 67 on another scorching afternoon to get to 11-under 205 and move a step closer to her third major victory.