Please help with my 1994 Ford Ranger problem?

Hi this is justin I writing you again about my 1994 ford ranger with a 4.0 and with a automatic transmission 2wd I wrote about my problem with stalling when putting in gear I drop the pan to see if there anything got broken inside the transmission I didn't see anything got broken in the transmission I did see some normal wear and tear metal sheavings not excess I change the fluid and filter I notice the filter was the regule filter has not been change I put new fluid in it the pan didn't look bad I thought it was needing a fluid change it still stall when put in gear someone call me to disconnect the driveshaft to see if it still stalls it didn't they said the rear end is locking up and going out as soon I put the driveshaft back in I won't to see if it still stall when I put it in reverse it didn't stall as soon I put in drive it felt like it going to stall and died when I restart it and put in reverse it died it happen the same way before please help me so I don't throw away money I can't afford?