We claim, the ornamental design for a portable caddy, as shown and described.
FIG. 1 is a perspective view of a portable caddy showing my new design, the broken lines are for illustrative purposes only and form not part of the claimed design.
FIG. 2 is a side view thereof, the opposite side being a mirror image.
FIG. 3 is a top plan view thereof; and,
FIG. 4 is an end view thereof, the opposite side being a mirror image.
Receptacle for holding various table items and food combined with a device to summon a waiter and providing a concurrent illuminated advertising display