The ornamental design for a kitchenrollholder, as shown and described.
FIG. 1 is a side view of the kitchen roll holder showing my new design.
FIG. 2 is another side view thereof.
FIG. 3 is a back view thereof.
FIG. 4 is front view thereof.
FIG. 5 is top view thereof.
FIG. 6 is bottom view thereof; and,
FIG. 7 is a perspective view thereof.
The broken lines shown in the drawing views of FIG. 5 and FIG. 7 represent portions of the kitchen roll holder that form no part of the claimed design.