You would be fine IF you get the Max Trailer package. It'll give you a bit more payload. The Eco 3.5 would be plenty to tow it. Me personally I'd want the Super Crew 6.5.
Max Trailer Package
Available on XL, XLT, LARIAT, King Ranch®, and Platinum models.
Includes:
• 3.55 Electronic-locking rear-axle
• 4-pin/7-pin wiring harness
• 36 Gallon fuel tank
• Auxiliary transmission oil cooler
• Engine oil cooler
• Class IV trailer hitch receiver
• Pro Trailer Backup Assist with Tailgate LED
• Smart Trailer Tow Connector (standard on LARIAT and higher)
• Integrated Trailer Brake Controller
• Upgraded front stabilizer bar
• Upgraded rear bumper
Requires 3.5L EcoBoost® engine.
Does not include Trailer Tow Mirrors. Trailer Tow Mirrors are a standalone option and must be ordered separately.
Max GCWR/Max Tow achieved on SuperCrew® when equipped with 20-inch Wheels. This configuration will also come equipped with max springs, steering gear, and upgraded stabilizer bar.