A construction worker received a $1.45 million settlement after a high-low agreement was reached shortly before a Cook County jury returned with a verdict.The jury’s $2.3 million award came Friday. Though that’s $850,000 more than the settlement amount, the agreement ensured the plaintiff would walk away with compensation had the jury gone with a smaller award or none at all.Plaintiff William Rosignal’s attorney, Christopher M. Norem, said Rosignal is still satisfied with his case’s outcome because …