FIG. 1 is an isometric view of a top, front, and right side of an ornamental design for a dispenser housing;

FIG. 2 is a front elevational view of the housing of FIG. 1;

FIG. 3 is a rear elevational view of the housing of FIG. 1;

FIG. 4 is a right side elevational view of the housing of FIG. 1;

FIG. 5 is a left side elevational view of the housing of FIG. 1;

FIG. 6 is a top plan view of the housing of FIG. 1; and,

FIG. 7 is a bottom plan view of the housing of FIG. 1.

The broken line showing of the subject matter shown above is for the purpose of depicting environmental structure only and forms no part of the claimed design.