Hello and welcome to just answer Dodge. The drain plug is located at the lower right side of the radiator. Here is the information for you from the factory service manual.
Hope this answers your question. Let me know if you need more help with this.
When servicing the cooling system, it is essential that coolant does not drip on the drive belts or pulleys. If necessary, shield the belts with shop towels before working on the cooling system. If coolant contacts the belts or pulleys, flush both with clean water.
WARNING: DO NOT REMOVE HOSE CLAMPS OR HOSES, CYLINDER BLOCK DRAIN PLUGS, COOLANT BOTTLE CAP, OR OPEN THE RADIATOR DRAINCOCK, WHEN THE SYSTEM IS HOT AND UNDER PRESSURE BECAUSE SERIOUS BURNS FROM THE COOLANT CAN OCCUR.
The radiator draincock that is located at the lower right side of radiator (RADIATOR DRAINCOCK LOCATION). The draincock stem is closed in the horizontal position, pointing to 3:00 o'clock. Draining takes place through the cooling module's lower right side insulator. Do Not Use pliers to open draincock.
CAUTION: Do not pull outward on the draincock flange while opening. Damage to the draincock body and O-ring seal may occur
Most service drains are about 80 percent of capacity because not all coolant is drained from system. For capacity specifications, (Refer to LUBRICATION & MAINTENANCE - SPECIFICATIONS - FLUID CAPACITIES)
CAUTION: The cooling system normally operates at 97-124 kPa (14-18 psi) pressure. Exceeding this pressure may damage the radiator or hoses.