Out on Chicago's ''west-side,'' 22 blocks north and west of the ''Loop" (Chicago's business section), in a community populated by Italians, Poles, Slovaks, Ukranians, and a scattering of old American stock, is the Onward Neighborhood House. Seventy percent of the community are unemployed now and dependent upon city relief to live. In the better days of prosperity they were construction, factory or street laborers. Practically everyone was more or less gainfully employed.