Edward Byrne at Valparaiso Poetry Review published a piece on her recent collection The Niagara River in February 2007 as well as a description about Ryan on his blog.
http://edwardbyrne.blogspot.com/2008/07/kay-ryan-poet-laureate-of-united-states.html
http://edwardbyrne.blogspot.com/2007/02/kay-ryan-niagara-river.html
The Library of Congress features a bio-bibliographical sketch here.