The below advertisement from the October 12th, 1974 issue of Billboard magazine includes a few tour dates which were apparently later changed and/or canceled by the band. These include, 10/9 Don Kirshner's Rock Concert, 10/16 Memphis, Tennessee, 11/4 Upper Darby (Philadelphia), Pennsylvania, and possibly more. However, it also confirms the 10/18 Kansas City, Kansas, date which dispels a previously believed Hammond, Indiana, date with KISS).
Based on Billboard's listing of the 10/18 Kansas City date it appears that Rush did not open for KISS in Hammond, Indiana on that date as previously believed based on this advertisement: