MOSFET Gate Series Resistance Guidlines
If you model the gate drive circuit as so:







simulate this circuit &ndash; Schematic created using CircuitLab

Where C1 is the gate capacitance of the MOSFET, L1 is the total inductance of the drive loop including package inductance, and R1 is the gate resistor plus resistance of the driver, then you can solve for the minimum value of the gate resistor that will result in a damped response that does not ring. 

R1 \$\ge2\sqrt{\frac {L1}{C1}}\$

So if your input capacitance is 5nF, the loop inductance is 100nH,then R1 > 9\$\Omega\$ (subtract the minimum of the high/low driver resistances to get the minimum gate resistor). 

In practice, you may not be able to predict the loop inductance all that accurately and you may have to select the exact value of the gate resistor empirically.