Bennie might still be alive.
I didn't find anything in the 1930 Census for his father Raynold, mother Margaret or Bennie.
However, I did find a John Rainold Baker
Born: 7 April 1898, Franklin Co., ID
Died: 4 Jan 1978, Tooele Co., UT
Buried: 7 Jan 1978, Tooele City Cemetery
Relatives: Father=B. C. Baker; Mother=Lucy Evans Baker and Spouse=Rena Privett Nelson
Source: Sexton Records/Grant, Utah Cemetery Inventory.
There is a Tooele Co. obituary volunteer at http://freepages.genealogy.rootsweb.ancestry.com/~obitl/volu...
Scroll down to Tooele Co.
Hope John's obituary will mention where his son was living in 1978. Successful Searching!