How do i scrape dynamic content from Struts framework with Ruby

require 'selenium-webdriver

driver=Selenium::Webdriver.for:chrome

driver.get (“https://gpsfront.website.com/getI2iRecommendingResults.do? callback=jQuery18307882644045605491_1545806199753&currentItemList=32819755026&categoryId=200121521&shopId=2339135&companyId=238423932&recommendType=&scenario=pcDetailLeftTopSell&limit=6&offset=0&_=1545800704149”)

The result:

=> nil

The path I posted here is ficticious but the real path returned => nil

Can you please read my continuing discussion with Rafael