Hamilton County north of Indy has lots of well known courses and is less than 2 hours away. Lots of courses by Pete dye and other well known architects there, and most all of them are reasonably priced if you walk.
There's a nice collection of public courses strung along the north side of the Indianapolis area. You could do:
The Trophy Club (Liddy) - currently $29/weekday
Purgatory (Kern) - $40
Bear Slide - morning special - $39
Eagle Creek (early Dye) - two courses, around $25-30 each
The Fort (later Dye) - $60ish
More expensive options, but still keeping within the total budget:
Prairie View (RTJ Jr) - $90
Brickyard Crossing (Dye) - $90, $55 twilight
If you're really a tightwad:
Coffin (Liddy) - $20 to walk
Eagle Creek - see above
Sahm (early, early Dye muni) - $18
Wood Wind (aka Bent Tree, aka Hanging Tree)(Kern) - $25