The ornamental design for an animal chew, as shown and described.
FIG. 1 is a perspective view of an animal chew including a broken section that indicates an indeterminate length according to a preferred embodiment of the invention;
FIG. 2 is a front view of the animal chew of FIG. 1;
FIG. 3 is a top view of the animal chew of FIG. 1 including a broken section that indicates an indeterminate length;
FIG. 4 is a side view of a animal chew of FIG. 1 including a broken section that indicates an indeterminate length; and,
FIG. 5 is a bottom view of the animal chew of FIG. 1 including a broken section that indicates an indeterminate length.