Just changed out my waterpump on my '00 Grand Caravan last night (3.8L), it's only $20-25 for the pump, and easy to DIY. Bolts are 10mm for pump body, 13mm for pulley, and a 15mm box wrench to loosen the tensioner to remove the belt. There are small holes on the pulley to stick a screwdriver thru (to keep it from spinning) to take the pulley bolts off. Couple of hours max to do it. It sounds like you already got the antifreeze so go at it.
2010 Chrysler T&C Touring 3.8L V6 Black
1991 Chevy Astro 5.7L V8 5-speed Maroon
1983 Yamaha Venture 1200 V4 White
1981 Yamaha 650XJ Maxim I4 Black/Green
2000 Dodge GC 3.8L V6 Blue - GONE