Inside pad on both rear brakes
wearing out in less than 2000 miles
If the wheel covers are blackish then the calipers ain't relaxing . They are binding up or perhaps a collapsed brake hose . There's details to those brakes for them to work right .
Rear calipers not releasing fully. causes can be, corroded caliper slides and pins, bad calipers, bad rubber brake lines, ABS malfunction, moisture content in the brake fluid too high.