I claim the ornamental design for the beverage dispensing attachment for a faucet, as shown and described.
FIG. 1 is a perspective view of the beverage dispensing attachment for a faucet.
FIG. 2 is a top view of the beverage dispensing attachment for a faucet.
FIG. 3 is a bottom view of the beverage dispensing attachment for a faucet.
FIG. 4 is a front view of the beverage dispensing attachment for a faucet.
FIG. 5 is a back view of the beverage dispensing attachment for a faucet.
FIG. 6 is a left side view of the beverage dispensing attachment for a faucet.
FIG. 7 is a right side view of the beverage dispensing attachment for a faucet.
FIG. 8 is a left view of the beverage dispensing attachment for a faucet attached to a faucet; and,
FIG. 9 is a left view of the beverage dispensing attachment for a faucet attached to another style of faucet.
The broken line showing of portions of the dispenser and environment in FIGS. 8 and 9 is included for the purpose of illustrating and forms no part of the claimed design.