Donna Mueller of Rochester and Karl Mueller of King of Prussia, Pa., announce the engagement of their daughter, Meghan Mueller of Buffalo, to Erik M. Ardenski. Sally and Richard Schubert of Buffalo and Edwin Ardenski of West Seneca are the parents of the prospective bridegroom. The bride-elect is a graduate of East Rochester High School and Brockport State College. She is an addictions counselor for Beacon Center and is a professional dancer with Rochester Knighthawks. Her fiance, a graduate of West Seneca West High School and Brockport State, is a mental health specialist with Baker Victory Services. They are planning a July 9, 2005 wedding.