It sounds like internal components of the steering box have self destructed. Good possibility that there is excessive wear on the wormshaft and the ball nut that holds the balls. It also may have lost one or more teeth off of the sector shaft Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes 1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes 2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans 1947 Willys CJ2A w/F-Head engine