gistfile1.js

// Create this in you view folder for fun
ResortContracts.TestView = SC.View.extend({
  createChildViews: function(){
    var childViews = [], view;
    
    view = this.createChildView(
      SC.SelectButtonView.design({
        valueBinding: '.parentView.content.item'
      })
    );
    childViews.push(view);
    
    this.set('childViews', childViews);
  }
})

// use this where your item column is
itemColumn: ResortContracts.RateColumnView.design({
  layout: { width: 200 },
  contentValueKey: 'item',
  exampleView: ResortContracts.TestView
})