Laravel Relationship Null

Relationship returning null?

Player modal relationship:

public function business()
{
    return $this->hasOne('App\Database\Frontend\Roleplay\Business\Businesses', 'business_id', 'business_id');
}

Business Modal:

<?php
namespace App\Database\Frontend\Roleplay\Business;

use Eloquent;

class Businesses extends Eloquent
{
    protected $primaryKey   = 'business_id';
    protected $table        = 'srp_businesses';
    public $timestamps      = true;
    protected $fillable     = [];
}

I want to get FROM srp_businesses WHERE business_id = Player's column business_id, but its returning null? I know for a fact it exists.. its just the relationship that's messing up.

via VoiD HD